山…隹

摘要： import numpy as np import matplotlib.pyplot as plt a = [1,2,3,4,5,6] b = [3,8,5,4,5,8] c = np.array([3,4,5]) d = np.array([2,4,6]) plt.plot(a,b,'r-') #折线图 plt.plot(c,d,'r--',lw=10) #lw为线条宽... 阅读全文

摘要： import tensorflow as tf #矩阵类型 myzero = tf.zeros([3,5]) #定义3行5列的0矩阵 myones = tf.ones([2,3]) #定义2行3列的矩阵 myfill = tf.fill([3,3],15) #... 阅读全文

摘要： import tensorflow as tf #placeholder数据类型 a = tf.placeholder(tf.float32) b = tf.placeholder(tf.float32) myadd = tf.add(a,b) with tf.Session() as sess: print(sess.run(myadd,feed_dict={a:35,b:20}))... 阅读全文